arm64: dts: qcom: msm8992: Add a label to rpm-requests

This enables the node to be referenced directly from other
DTs.

Signed-off-by: Konrad Dybcio <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: konradybcio

arch/arm64/boot/dts/qcom/msm8992.dtsi

@@ -258,7 +258,7 @@
 			qcom,local-pid = <0>;
 			qcom,remote-pid = <6>;
 
-			rpm-requests {
+			rpm_requests: rpm-requests {
 				compatible = "qcom,rpm-msm8994";
 				qcom,smd-channels = "rpm_requests";